18605148028274 has 16 divisors (see below), whose sum is σ = 28662256164888. Its totient is φ = 9051067400832.

The previous prime is 18605148028223. The next prime is 18605148028297. The reversal of 18605148028274 is 47282084150681.

It can be written as a sum of positive squares in 4 ways, for example, as 17215802551249 + 1389345477025 = 4149193^2 + 1178705^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7062692 + ... + 9332304.

Almost surely, 2^{18605148028274} is an apocalyptic number.

18605148028274 is a deficient number, since it is larger than the sum of its proper divisors (10057108136614).

18605148028274 is a wasteful number, since it uses less digits than its factorization.

18605148028274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380429.

The product of its (nonzero) digits is 6881280, while the sum is 56.

The spelling of 18605148028274 in words is "eighteen trillion, six hundred five billion, one hundred forty-eight million, twenty-eight thousand, two hundred seventy-four".